// Behavior originally contributed by mastahg.
//
// LICENSE:
// This work is licensed under the
//     Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
// also known as CC-BY-NC-SA.  To view a copy of this license, visit
//      http://creativecommons.org/licenses/by-nc-sa/3.0/
// or send a letter to
//      Creative Commons // 171 Second Street, Suite 300 // San Francisco, California, 94105, USA.
//

#region Summary and Documentation
#endregion


#region Examples
#endregion


#region Usings

using System;
using System.Collections.Generic;
using System.Linq;

using Bots.Quest;
using CommonBehaviors.Actions;
using Honorbuddy.QuestBehaviorCore;
using Styx.Common;
using Styx.CommonBot;
using Styx.CommonBot.Frames;
using Styx.CommonBot.ObjectDatabase;
using Styx.CommonBot.Profiles;
using Styx.Pathing;
using Styx.TreeSharp;
using Styx.WoWInternals;
using Styx.WoWInternals.WoWObjects;

using Action = Styx.TreeSharp.Action;
using Query = Styx.CommonBot.ObjectDatabase.Query;

#endregion


namespace Styx.Bot.Quest_Behaviors
{
    [CustomBehaviorFileName(@"ArgentTournament\SpecialTurnIn")]
    public class SpecialTurnIn : CustomForcedBehavior
    {
        public SpecialTurnIn(Dictionary<string, string> args) : base(args)
        {
            QBCLog.BehaviorLoggingContext = this;

            try
            {
                // QuestRequirement* attributes are explained here...
                //    http://www.thebuddyforum.com/mediawiki/index.php?title=Honorbuddy_Programming_Cookbook:_QuestId_for_Custom_Behaviors
                // ...and also used for IsDone processing.
                //Location = GetAttributeAsNullable<Vector3>("", true, ConstrainAs.Vector3NonEmpty, null) ?? MountSpot;
                QuestId = GetAttributeAsNullable<int>("QuestId", true, ConstrainAs.QuestId(this), null) ?? 0;
                QuestRequirementComplete = QuestCompleteRequirement.NotComplete;
                QuestRequirementInLog = QuestInLogRequirement.InLog;

                LootId = GetAttributeAsNullable<int>("LootId", true, ConstrainAs.QuestId(this), null) ?? 0;
                QuestName = GetAttributeAs<string>("QuestName", true, ConstrainAs.StringNonEmpty, null) ?? "";
                TurnInName = GetAttributeAs<string>("TurnInName", true, ConstrainAs.StringNonEmpty, null) ?? "";
                TurnInId = GetAttributeAsNullable<int>("TurnInId", true, ConstrainAs.MobId, null) ?? 0;
            }

            catch (Exception except)
            {
                // Maintenance problems occur for a number of reasons.  The primary two are...
                // * Changes were made to the behavior, and boundary conditions weren't properly tested.
                // * The Honorbuddy core was changed, and the behavior wasn't adjusted for the new changes.
                // In any case, we pinpoint the source of the problem area here, and hopefully it
                // can be quickly resolved.
                QBCLog.Exception(except);
                IsAttributeProblem = true;
            }
        }

        // DON'T EDIT THIS--it is auto-populated by Git
        public override string VersionId => QuestBehaviorBase.GitIdToVersionId("$Id: d0efc03c55b0bba01b0f43b996e8078e071f5d8f $");

        // Attributes provided by caller
        public int TurnInId { get; private set; }
        public int QuestId { get; private set; }
        public int LootId { get; private set; }
        public string TurnInName { get; private set; }
        public string QuestName { get; private set; }

        public QuestCompleteRequirement QuestRequirementComplete { get; private set; }
        public QuestInLogRequirement QuestRequirementInLog { get; private set; }

        // Private variables for internal state
        private bool _isBehaviorDone;
        private Composite _root;


        // Private properties
        private LocalPlayer Me
        {
            get { return (StyxWoW.Me); }
        }

        #region Overrides of CustomForcedBehavior

        public Composite GetClose
        {
            get
            {
                return
                    new PrioritySelector(
                        new Decorator(r => StyxWoW.Me.QuestLog.GetQuestById((uint)QuestId) == null, new Action(r => _isBehaviorDone = true)),
                        new Decorator(ret => Me.Location.Distance(turin.Location) > turin.InteractRange,
                                      new Action(r => Navigator.MoveTo(turin.Location))),
                        new Decorator(ret => !GossipFrame.Instance.IsVisible && QuestManager.QuestFrame.IsVisible,
                            new Sequence(
                                new Sleep(300),
                                new Action(ret => QuestManager.QuestFrame.SelectQuestReward(LootId)),
                                new Action(ret => QuestManager.QuestFrame.SelectQuestReward(LootId)),
                                new Sleep(300),
                                new Action(ret => QuestManager.QuestFrame.CompleteQuest()),
                                new Sleep(300)
                                )),
                        new Decorator(ret => GossipFrame.Instance.IsVisible && !QuestFrame.Instance.IsVisible,
                                      new Action(r => stol())),
                        new Decorator(ret => turin.WithinInteractRange, new Action(r => turin.Interact())));
            }
        }

        protected Composite CreateBehavior_QuestbotMain()
        {
            return _root ??
                   (_root =
                    new Decorator(ret => !_isBehaviorDone, new PrioritySelector(GetClose, new ActionAlwaysSucceed())));
        }

        private WoWUnit turin
        {
            get { return ObjectManager.GetObjectsOfType<WoWUnit>().FirstOrDefault(x => x.Entry == turninguy.Entry); }
        }

        private NpcResult turninguy
        {
            get { return Query.GetNpcById((uint)TurnInId); }
        }

        public override void OnFinished()
        {
            TreeRoot.GoalText = string.Empty;
            TreeRoot.StatusText = string.Empty;
            TreeHooks.Instance.RemoveHook("Questbot_Main", CreateBehavior_QuestbotMain());
            base.OnFinished();
        }

        public override bool IsDone
        {
            get { return (_isBehaviorDone); }
        }

        protected RunStatus stol()
        {
            if (QuestManager.QuestFrame.IsVisible && (QuestManager.QuestFrame.CurrentShownQuestId != 0))
            {
                return RunStatus.Success;
            }
            if (!QuestManager.GossipFrame.IsVisible)
            {
                if (QuestManager.QuestFrame.IsVisible)
                {
                    List<uint> quests = QuestManager.GossipFrame.ActiveQuests.Select(r => (uint)r.Id).ToList();
                    if ((QuestId != -1) && !quests.Contains((uint)QuestId))
                    {
                        QuestManager.QuestFrame.Close();
                        return RunStatus.Failure;
                    }
                    for (int i = 0; i < quests.Count; i++)
                    {
                        if ((QuestId == -1) || (((ulong)quests[i]) == (ulong)QuestId))
                        {
                            PlayerQuest questById = StyxWoW.Me.QuestLog.GetQuestById(quests[i]);
                            if ((QuestId != -1) || questById.IsCompleted)
                            {
                                QuestManager.GossipFrame.SelectActiveQuest(i);
                                return RunStatus.Success;
                            }
                        }
                    }
                }
            }
            return RunStatus.Failure;
        }


        public override void OnStart()
        {
            // This reports problems, and stops BT processing if there was a problem with attributes...
            // We had to defer this action, as the 'profile line number' is not available during the element's
            // constructor call.
            OnStart_HandleAttributeProblem();

            // If the quest is complete, this behavior is already done...
            // So we don't want to falsely inform the user of things that will be skipped.
            if (!IsDone)
            {
                TreeHooks.Instance.InsertHook("Questbot_Main", 0, CreateBehavior_QuestbotMain());

                this.UpdateGoalText(QuestId);
            }
        }

        #endregion
    }
}